CVE-2024-50056: usb: gadget: uvc: Fix ERR_PTR dereference in uvc_v4l2.c
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Fix ERR_PTR dereference in uvc_v4l2.c Fix potential dereferencing of ERR_PTR() in find_format_by_pix() and uvc_v4l2_enum_format(). Fix the following smatch errors: drivers/usb/gadget/function/uvc_v4l2.c:124 find_format_by_pix() error: 'fmtdesc' dereferencing possible ERR_PTR() drivers/usb/gadget/function/uvc_v4l2.c:392 uvc_v4l2_enum_format() error: 'fmtdesc' dereferencing possible ERR_PTR() Also, fix similar issue in uvc_v4l2_try_format() for potential dereferencing of ERR_PTR().
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=6.11<6.11.4 | |
| debian/linux | <=5.10.223-1<=5.10.234-1<=6.1.129-1<=6.1.128-1 | 6.12.20-1 6.12.21-1 |
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Reference Links
- https://git.kernel.org/stable/c/cedeb36c3ff4acd0f3d09918dfd8ed1df05efdd6
- https://git.kernel.org/stable/c/a7bb96b18864225a694e3887ac2733159489e4b0
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50056
- https://nvd.nist.gov/vuln/detail/CVE-2024-50056
- https://launchpad.net/bugs/cve/CVE-2024-50056
- https://security-tracker.debian.org/tracker/CVE-2024-50056
- https://ubuntu.com/security/CVE-2024-50056
- https://git.kernel.org/linus/a7bb96b18864225a694e3887ac2733159489e4b0
Frequently Asked Questions
What is the severity of CVE-2024-50056?
CVE-2024-50056 is categorized as a medium severity vulnerability in the Linux kernel.
How do I fix CVE-2024-50056?
The fix for CVE-2024-50056 involves upgrading to the latest version of the Linux kernel that includes the patch for this vulnerability.
What types of systems are affected by CVE-2024-50056?
CVE-2024-50056 affects systems running versions of the Linux kernel from 6.11 to 6.11.4.
What is the main issue addressed by CVE-2024-50056?
CVE-2024-50056 addresses a potential dereferencing of ERR_PTR() in the uvc_v4l2.c driver code.
Is CVE-2024-50056 a remote exploitation risk?
CVE-2024-50056 does not specifically indicate a remote exploitation risk but may impact the stability of USB gadget functionality.
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